| K League 1 2019 Relegation - Appearances as Referee |  |
 |
 |
||||
| 02/11/2019 | Suwon Bluewings | - | Seongnam FC | 0:0 | 1 | - | - |
| 30/11/2019 | Gyeongnam FC | - | Incheon United | 0:0 | 6 | - | - |
| K League 1 2019 Relegation - Appearances as Referee | |
|
|
||||
| 02/11/2019 | Suwon Bluewings | - | Seongnam FC | 0:0 | 1 | - | - |
| 30/11/2019 | Gyeongnam FC | - | Incheon United | 0:0 | 6 | - | - |
| Complete name: | Dong-jun Lee |
| Born: | |
| Place of birth: |
South Korea |
| Nationality: |
South Korea |